# SDR 2026FA0000316

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2026
- Submitted: May 4, 2026
- Operation: General aviation
- Aircraft: [N123NP](https://openairdocs.org/aircraft/N123NP), registered now
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Aircraft serial: 421C0402
- Aircraft time: 6,638 hours
- Engine: Cont GTSIO520*
- Propeller: Mcauly 3FF32C501
- System (JASC): [7160 · Engine Air Intake System](https://openairdocs.org/jasc/7160)
- Part: Intake Duct
- Condition: Loose
- Location: Zone 400
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2026FA0000316

## Discrepancy

ON 3 MAY 2026, APPROXIMATELY 11:55 AM, N123NP DEPARTED BIL FOR FBL AND FOUND THAT THE RIGHT ENGINE WOULDN'T MAKE RED LINE MAP AND ABORTED HIS TAKEOFF. MAINTENANCE FOUND A COUPLE INDUCTION TUBE CLAMPS LOOSE. THE MECHANIC TIGHTENED BOTH CLAMPS AND AND THE PILOT DEPARTED TO FBL WITHOUT INCIDENT.

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